#include "stdio.h"

struct aa{
    int r1;
    double r2;
    float r3;
};

int main(){

    printf("sizeof(struct aa) = %d\n", sizeof(struct aa));
    printf("sizeof(int) = %d\n", sizeof(int));
    printf("sizeof(double) = %d\n", sizeof(double));
    printf("sizeof(float) = %d\n", sizeof(float));

    printf("********************\n");

    struct person { char name[9]; int age;}; 
    struct person class[10]={"John",17, "Paul",19, "Mary",18, "Adam",16};
    printf("%c\n",class[2].name[0]);



    return 0;
}